Montoya, Roberto, et al. “ Chagas Disease in a Community in Southeast Brazil: I. A Serlogic Follow-up Study on a Vectorcontrolled Area ”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 45, no. 5, Oct. 2003, pp. 269-74, https://www.revistas.usp.br/rimtsp/article/view/30738.